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Full Discussion: False alerts
Top Forums Shell Programming and Scripting False alerts Post 302992417 by drysdalk on Friday 24th of February 2017 02:47:08 PM
Old 02-24-2017
Hello,

On my own test system (which is running Ubuntu 16.04 LTS x86_64) this script does basically appear to work. At any rate, it certainly doesn't generate any false positives for me when run at the shell as a non-privileged user, and the values it's getting for load appear to be genuine and sensible.

So, if you could provide the full crontab entry from which the script is run, then it'll be possible to look at that as a source of the issues next.

Again though: if you do have a Nagios environment, using its own load monitoring plugins is a much, much better idea. Honestly, if you have a Nagios server and the ability to add your server to it, you're just re-inventing the wheel here for no real gain whatsoever by writing your own script.
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script(1)							   User Commands							 script(1)

NAME
script - make record of a terminal session SYNOPSIS
script [-a] [filename] DESCRIPTION
The script utility makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the record is saved in the file typescript. See WARNINGS. The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends when the forked shell exits or when Control-d is typed. OPTIONS
The following option is supported: -a Appends the session record to filename, rather than overwriting it. NOTES
script places everything that appears on the screen in filename, including prompts. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) WARNINGS
script can pose a security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a privileged user, that is, root. Be sure that typescript is not a link before running script. SunOS 5.11 30 Jan 2004 script(1)
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